On Fri, 16 Oct 1998, Mike & Diane Wise wrote: > Believe it or not Nirtosomonas & Nitrobacter species are not the nitrifying > bacteria found in our aquaria. A study a few years ago (I don't have the > reference at hand right now) couldn't find sufficient numbers to qualify as the > dominant nitrifying bacteria in our tanks! www.aquariumfrontiers.com has several articles about how it's nitrospira at least for the latter step (nitrite->nitrate). It's almost an obsession with one of their writers, kind of like me correcting people that the latin name for Java Moss is Microsorum, not Microsorium. - Erik --- Erik D. Olson erik at thekrib.com ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@majordomo.pobox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@majordomo.pobox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!